Home / 17,722.11-24,457.90-9,765.76

Finding the Fourth Proportional to 17,722.11, 24,457.90 and 9,765.76

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Solution

The fourth proportional to 17,722.11, 24,457.90 and 9,765.76 is: 13,477.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,722.11 : 24,457.90 = 9,765.76 : x
  2. Step 2: Convert to fraction form
    17,722.11/24,457.90 = 9,765.76/x
  3. Step 3: Cross multiply
    17,722.11x = 24,457.90 × 9,765.76
  4. Step 4: Simplify right side
    17,722.11x = 238,849,981.50
  5. Step 5: Solve for x
    x = 238,849,981.50/17,722.11
  6. Step 6: Final answer
    x = 13,477.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.